20150230100 has 288 divisors, whose sum is σ = 59972161536. Its totient is φ = 5672793600.

The previous prime is 20150230099. The next prime is 20150230123. The reversal of 20150230100 is 103205102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4702559 + ... + 4706841.

It is an arithmetic number, because the mean of its divisors is an integer number (208236672).

Almost surely, 2^20150230100 is an apocalyptic number.

20150230100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20150230100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29986080768).

20150230100 is an abundant number, since it is smaller than the sum of its proper divisors (39821931436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20150230100 is a wasteful number, since it uses less digits than its factorization.

20150230100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4375 (or 4368 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

Adding to 20150230100 its reverse (103205102), we get a palindrome (20253435202).

The spelling of 20150230100 in words is "twenty billion, one hundred fifty million, two hundred thirty thousand, one hundred".